Srun66

srun66.com
AI Infrastructure & Developer ToolsBasic Web PresenceScanned August 13, 2026

A crypto-native email API explicitly built for AI agents that currently blocks the very AI crawlers needed to discover it.

Overview

18

Overall

100

SEO

100

Performance

77

Accessibility

100

Best practices

Performance

Core Web Vitals

0.6 sLCP
0CLS
50 msTBT
0.6 sFCP
0.6 sSpeed Index

Lighthouse failed audits

  • Largest Contentful Paintweight 25

    Largest Contentful Paint marks the time at which the largest text or image is painted. [Learn more about the Largest Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/lighthouse-largest-contentful-paint/)

  • First Contentful Paintweight 10

    First Contentful Paint marks the time at which the first text or image is painted. [Learn more about the First Contentful Paint metric](https://developer.chrome.com/docs/lighthouse/performance/first-contentful-paint/).

  • Form elements do not have associated labelsweight 10

    Labels ensure that form controls are announced properly by assistive technologies, like screen readers. [Learn more about form element labels](https://dequeuniversity.com/rules/axe/4.12/label).

  • Background and foreground colors do not have a sufficient contrast ratio.weight 7

    Low-contrast text is difficult or impossible for many users to read. [Learn how to provide sufficient color contrast](https://dequeuniversity.com/rules/axe/4.12/color-contrast).

  • Heading elements are not in a sequentially-descending orderweight 3

    Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. [Learn more about heading order](https://dequeuniversity.com/rules/axe/4.12/heading-orde

  • Document does not have a main landmark.weight 3

    One main landmark helps screen reader users navigate a web page. [Learn more about landmarks](https://dequeuniversity.com/rules/axe/4.12/landmark-one-main).

On-page SEO

Homepage SEO

Page titleCryptoAgentMail — Credit-Based Email for AI Agents
Meta descriptionNot found
H1 headingEmail API forAI Agents
H2 headingsUsage Rates · Quick Start · 🔒 Security · 🧮 Cost Calculator
Canonicalhttps://www.srun66.com/

Meta health

Meta descriptionMissingnot detected
Canonical tagSetpassed
H1 heading1 foundpassed
Viewport metaMissingnot detected

Meta completeness — 42/100

Title TagOptimal length (50 chars)passed
Meta DescriptionOptimal length (129 chars)passed
Canonical URLMissing — may cause duplicate content issuesnot detected
OG TitleMissing — needed for social sharingnot detected
OG DescriptionMissingnot detected
OG ImageMissing — needed for social sharing previewsnot detected
Twitter CardMissing — needed for Twitter sharingnot detected
Viewport Metapassed
Robots MetaIndexablepassed
Charset Declarationpassed
Hreflang TagsNot needed unless multi-languagenot detected
Structured Data (JSON-LD)Missing — needed for rich resultsnot detected

Content on the homepage

357Words
1H1 tags
4H2 tags
13H3 tags
  • Usage Rates
  • Quick Start
  • 🔒 Security
  • 🧮 Cost Calculator

Technical

At a glance

  • HTTPS enabled — passed
  • robots.txt present — passed
  • XML sitemap found — not detected
  • Structured data (schema.org) — not detected
  • Meta description set — passed
  • Title tag set — passed
  • Open Graph tags — not detected
  • Canonical URL set — not detected
  • Mobile friendly — not detected
  • Security headers — not detected

Security headers — 0/100

Strict-Transport-SecurityEnforces HTTPS connectionsnot detected
Content-Security-PolicyPrevents XSS and code injection attacksnot detected
X-Frame-OptionsPrevents clickjacking attacksnot detected
X-Content-Type-OptionsPrevents MIME-type sniffingnot detected
Referrer-PolicyControls referrer information leakagenot detected
Permissions-PolicyControls browser feature accessnot detected
X-XSS-ProtectionLegacy XSS filter (deprecated but still used)not detected
Cross-Origin-Resource-PolicyPrevents cross-origin resource loadingnot detected
Cross-Origin-Opener-PolicyIsolates browsing contextnot detected
Cross-Origin-Embedder-PolicyControls cross-origin embeddingnot detected

robots.txt

robots.txt foundPresentpassed
AI crawler access
GPTBot — blockedCCBot — blockedGoogle-Extended — blockedanthropic-ai — allowedClaude-Web — allowedApplebot-Extended — blockedPerplexityBot — allowedmeta-externalagent — blockedcohere-ai — allowedBytespider — blocked
  • No sitemap referenced in robots.txt

Structured data (JSON-LD)

0Blocks found
0Valid

No JSON-LD blocks were found on the homepage.

Mobile friendliness — 40/100

Mobile friendlyIssues foundnot detected
No Horizontal OverflowOverflow detected on CODE (doc: 375px > win: 375px)not detected
Viewport Meta TagContent: "width=device-width, initial-scale=1.0"passed
Readable Font SizesSmall text found: P: 12px — "All prices in USDC on Solana. ..."not detected
Tap Targets ≥ 44px3/5 too small — A: 85×26px — "API Docs"not detected
No Horizontal Scrolling RequiredContent fits within 375px viewportpassed
  • → Fix horizontal overflow — element extends beyond viewport on mobile.
  • → Increase font sizes to at least 14px for body text on mobile.
  • → Enlarge tap targets — 3 elements are smaller than 44×44px.

AI readiness

Discoverability1/3
  • robots.txt
  • Sitemap
  • Link response headers

Top fix: Add a sitemap.xml and reference it in robots.txt to allow indexing of pricing and documentation pages.

Content Accessibility0/1
  • Markdown content negotiation

Top fix: Enable text/markdown content negotiation so AI agents can consume API docs and pricing without parsing HTML.

Bot Access Control2/3
  • AI bot rules in robots.txt
  • Content Signals
  • Web Bot Auth

Top fix: Implement .well-known/http-message-signatures-directory to authenticate legitimate AI agents instead of blocking them entirely.

Protocol Discovery0/6
  • MCP Server Card
  • Agent Skills index
  • API Catalog
  • OAuth / OIDC Discovery
  • OAuth Protected Resource

Top fix: Add an agentskills.json and .well-known/api-catalog to expose the email sending and inbox creation endpoints to autonomous agents.

Commerce0/4
  • x402 Payment
  • MPP
  • UCP
  • ACP

Top fix: Implement x402 or ACP to enable native agentic payments for the existing USDC credit system.

Biggest opportunities

  • 1Unblock GPTBot and ClaudeBot in robots.txt or implement Web Bot Auth to allow AI discovery of the email API.high impact · small effort
  • 2Create an agentskills.json file defining 'send_email', 'create_inbox', and 'check_balance' skills.high impact · medium effort
  • 3Enable Markdown content negotiation for API documentation and pricing pages.medium impact · small effort

Critical issues

  • Explicitly blocks major AI crawlers (GPTBot, ClaudeBot) despite being a product designed specifically for AI agents.
  • Zero protocol discovery endpoints (MCP, AgentSkills, API Catalog) making the API invisible to autonomous systems.
  • No standardized agentic commerce protocols despite relying on crypto payments.

What's working

  • Significantly lower price point ($12/mo) compared to competitor AgentMail.to ($20/mo).
  • Native Solana USDC integration allows for permissionless, global payments without traditional banking.
  • Specialized features like persistent agent memory and wallet-based inbox recovery tailored for autonomous workflows.

Content & links

Key pages crawled

Top internal pages

Internal links found

  • View Plans

Links out to

srun66.com ×4

Business profile

Business profile

CryptoAgentMail is a credit-based email API service enabling AI agents to send and receive emails using Solana USDC. It offers tiered monthly and annual plans ranging from Starter ($12/mo) to Enterprise ($50/mo), featuring agent memory, content filtering, and wallet-verified security.

CategoryAI Infrastructure & Developer Tools
AudienceDevelopers building autonomous AI agents that require programmatic email communication and crypto-native payment methods.
Tone of voiceTechnical, direct, and value-focused with a developer-centric tone emphasizing simplicity and cost-efficiency.
Products & servicesStarter Plan ($12/mo) · Pro Plan ($24/mo) · Enterprise Plan ($50/mo) · Pay-as-you-go Credits · Agent Memory Storage · Inbox Recovery Service

Keywords

AI email APISolana USDCagent memorycrypto paymentsautonomous agentsinbox recoveryprogrammatic email

Content themes

AI Agent InfrastructureCrypto PaymentsEmail AutomationSolana EcosystemDeveloper APIsAutonomous Systems

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How this listing was made. Everything above was generated automatically from a public crawl of srun66.com on August 13, 2026, scored with Google Lighthouse and summarised by AI. It is a snapshot, not an endorsement, and it can be out of date — re-scan the site in RankBloom to refresh it. Links to srun66.com are nofollow. Own this site? A paid RankBloom plan lets you hide the listing from the directory, or write to support@getrankbloom.com to request removal.

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